Description
Use-after-free vulnerability in nginx before 1.0.14 and 1.1.x before 1.1.17 allows remote HTTP servers to obtain sensitive information from process memory via a crafted backend response, in conjunction with a client request.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nginx | 1.1.17-1 | — |
| Debian 13 | nginx | 1.1.17-1 | — |
| Debian 12 | nginx | 1.1.17-1 | — |
| Debian 6.0 | nginx | 0.7.67-3+squeeze2 | DSA-2434-1 |
Advisories 1
- DSA-2434-1 nginx - sensitive information leak Debian Security (DSA / DLA) · Mar 9, 2026
References
- openSUSE-SU-2012:0469 vendor-advisory
- http://trac.nginx.org/nginx/changeset/4531/nginx
- 80124 vdb-entry
- DSA-2434 vendor-advisory
- FEDORA-2012-4006 vendor-advisory
- [oss-security] 20120315 CVE Request: nginx fix for malformed HTTP responses from upstream servers mailing-list
- 48465 third-party-advisory
- http://nginx.org/en/security_advisories.html
- [oss-security] 20120315 Re: CVE Request: nginx fix for malformed HTTP responses from upstream servers mailing-list
- http://nginx.org/download/patch.2012.memory.txt
- 48577 third-party-advisory
- FEDORA-2012-3846 vendor-advisory
- http://trac.nginx.org/nginx/changeset/4530/nginx
- FEDORA-2012-3991 vendor-advisory
- nginx-ngxcpystrn-info-disclosure(74191) vdb-entry
- MDVSA-2012:043 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=803856
- GLSA-201203-22 vendor-advisory
- 20120315 nginx fix for malformed HTTP responses from upstream servers mailing-list
- 1026827 vdb-entry
- 52578 vdb-entry